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Is It Normal for Brake Pads to Get Hot?

1 Answers

BarrettLynn

07/30/25 9:19am

Brake pads heating up is a normal phenomenon. Car braking is achieved through the friction between the brake pads and the brake discs, which generates braking force to slow down or stop the vehicle. During normal operation of the braking system, the friction between the brake pads and the brake discs generates heat, causing the brake pads to become hot. Car brake pads, also known as brake linings, are friction materials fixed to the rotating brake drums or discs of the wheels. Typically, car brake pads consist of a steel plate, an adhesive heat-insulating layer, and a friction block. The steel plate is coated to prevent rust, and the coating process is monitored using an SMT-4 furnace temperature tracker to ensure quality by detecting the temperature distribution during coating. Car brake pads generally need to be replaced every 30,000 to 50,000 kilometers. Different driving habits and road conditions can also affect the replacement interval. As long as the remaining thickness of the brake pads is insufficient, they should be replaced immediately. It is recommended to check the thickness of the brake pads during every maintenance service. Methods to prevent excessive wear on brake pads: When descending steep slopes, reduce the speed in advance and use an appropriate gear. Employing engine braking in combination with the braking system can effectively reduce the burden on the braking system and prevent overheating. Do not turn off the engine while descending a slope. Most cars are equipped with a brake vacuum booster pump. If the engine is turned off, the brake booster pump not only fails to assist but also creates significant resistance for the brake master cylinder, drastically increasing the braking distance.

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